code: def _get_rtol_atol(dtype):
      rtol = 1e-3
      atol = 0
      if dtype == np.float16:
          rtol = 1e-2
          atol = 1e-3
      elif dtype == np.float32:
          atol = 1e-5
      return rtol, atol
  
file_path: scikit-image/skimage/restoration/tests/test_restoration.py
imports: import numpy
  import pytest
  from scipy import ndimage
  from scipy.signal import convolve2d, convolve
  from skimage import restoration, util
  from skimage._shared import filters
  from skimage._shared.testing import fetch
  from skimage._shared.utils import _supported_float_type
  from skimage.color import rgb2gray
  from skimage.data import astronaut, camera
  from skimage.restoration import uft
label_desc: Use image node_id 1 for calling a global function with example usage: _get_rtol_atol(dtype) and returns: rtol,  atol